0
votes
1answer
26 views

universal 3G USB keys

Most of the 3g usb keys are sold and branded by mobile operators. Even if the name of the mobile operator is written on the key, will it always work for other operators and in other countries?
0
votes
3answers
969 views

Why do mobile map services (e.g. Google Maps) require turning WiFi or 3G on?

I don't understand why do mobile map services require turning WiFi or 3G on to show my current place. Most of mobiles have GPS and I turned it on. But they still require WiFi. Is there someone to ...
1
vote
2answers
664 views

How backward compatible are the HSDPA mobile networks

I have got this Huawei wifi device, which has been unlocked for other networks. Works fine in UK on Vodafone (as well as 3). We are trying to get it to work with the Claro network in Jamaica. It ...